// Copyright (c) 2010, Google Inc.
// All rights reserved.
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// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// ---
// Author: Jeffrey Junfeng Pan (panjunfeng@gmail.com)

#include <iostream>
#include "dictionary.h"
#include "common/scoped_ptr.h"
#include "common/strutil.h"
#include "common/testutil.h"
#include "transactions_memory_impl.h"

using namespace std;

namespace {

class FrequentPatternDictionaryTest : public Test {
 protected:

  FrequentPatternDictionaryTest() {
  }

  virtual ~FrequentPatternDictionaryTest() {
  }
};

TEST_F(FrequentPatternDictionaryTest, ShowStringDictionary0) {
  frequent_pattern_mining::ItemDictionary<string>
    dictionary("THIS_ITEM_NEVER_EXISTS_IN_TRANSACTIONS");
  vector<vector<string> > transactions;
  transactions.resize(4);
  SplitStringUsing(" I like the shoes ", " ", &(transactions[0]));
  SplitStringUsing("the tshirts", " ", &(transactions[1]));
  SplitStringUsing("the pants", " ", &(transactions[2]));
  SplitStringUsing("tshirts the", " ", &(transactions[3]));
  scoped_ptr<frequent_pattern_mining::Transactions<string> > transactions_ptr(
    new frequent_pattern_mining::TransactionsMemoryImpl<string>(&transactions));
  dictionary.BuildDictionary(transactions_ptr.get(), 0, -1);
  cout << dictionary.ToString();
}

TEST_F(FrequentPatternDictionaryTest, ShowStringDictionary1) {
  frequent_pattern_mining::ItemDictionary<string>
    dictionary("THIS_ITEM_NEVER_EXISTS_IN_TRANSACTIONS");
  vector<vector<string> > transactions;
  transactions.resize(4);
  SplitStringUsing(" I like the shoes ", " ", &(transactions[0]));
  SplitStringUsing("the tshirts", " ", &(transactions[1]));
  SplitStringUsing("the pants", " ", &(transactions[2]));
  SplitStringUsing("tshirts the", " ", &(transactions[3]));
  scoped_ptr<frequent_pattern_mining::Transactions<string> > transactions_ptr(
    new frequent_pattern_mining::TransactionsMemoryImpl<string>(&transactions));
  dictionary.BuildDictionary(transactions_ptr.get(), 2, -1);
  cout << dictionary.ToString();
}

TEST_F(FrequentPatternDictionaryTest, ShowIntegerDictionary0) {
  frequent_pattern_mining::ItemDictionary<int> dictionary(-2);
  vector<vector<int> > transactions;
  transactions.resize(5);
  transactions[0].push_back(1);
  transactions[0].push_back(4);
  transactions[0].push_back(3);
  transactions[1].push_back(2);
  transactions[1].push_back(3);
  transactions[3].push_back(1);
  transactions[3].push_back(3);
  transactions[3].push_back(5);
  transactions[3].push_back(2);
  transactions[4].push_back(5);
  transactions[4].push_back(1);
  scoped_ptr<frequent_pattern_mining::Transactions<int> > transactions_ptr(
    new frequent_pattern_mining::TransactionsMemoryImpl<int>(&transactions));
  dictionary.BuildDictionary(transactions_ptr.get(), 0, -1);
  cout << dictionary.ToString();
}

TEST_F(FrequentPatternDictionaryTest, ShowIntegerDictionary1) {
  frequent_pattern_mining::ItemDictionary<int> dictionary(-2);
  vector<vector<int> > transactions;
  transactions.resize(5);
  transactions[0].push_back(1);
  transactions[0].push_back(4);
  transactions[0].push_back(3);
  transactions[1].push_back(2);
  transactions[1].push_back(3);
  transactions[3].push_back(1);
  transactions[3].push_back(3);
  transactions[3].push_back(5);
  transactions[3].push_back(2);
  transactions[4].push_back(5);
  transactions[4].push_back(1);
  scoped_ptr<frequent_pattern_mining::Transactions<int> > transactions_ptr(
    new frequent_pattern_mining::TransactionsMemoryImpl<int>(&transactions));
  dictionary.BuildDictionary(transactions_ptr.get(), 2, -1);
  cout << dictionary.ToString();
}

}  // namespace

int main(int argc, char **argv) {
  return 0;
}
